Service interruption via unbounded stack copy
Published Aug 7, 2024 · Updated Aug 7, 2024
Stack buffer overflow in Tenda i22 1.0.0.3(4687) allows remote attackers to interrupt its web service through crafted POST data. The formApPortalPhoneAuth handler copies the data parameter into stack variable v19 with strcpy or sprintf without checking its length. The public proof of concept sends 2,000 bytes to /goform/apPortalPhoneAuth; source assessments disagree on authentication, and code execution is not demonstrated.
Summary
What happened
Stack buffer overflow in Tenda i22 1.0.0.3(4687) allows remote attackers to interrupt its web service through crafted POST data. The formApPortalPhoneAuth handler copies the data parameter into stack variable v19 with strcpy or sprintf without checking its length. The public proof of concept sends 2,000 bytes to /goform/apPortalPhoneAuth; source assessments disagree on authentication, and code execution is not demonstrated.
The record
- CVE
- CVE-2024-7584
- Published
- Aug 7, 2024
- Updated
- Aug 7, 2024
- Vendor
- Shenzhen Tenda Technology Co., Ltd.
- Product
- i22 Wireless Access Point
- Classifications
- CWE-120, T1499.004
- Attack vector
- network
- Privileges
- Unavailable
Timeline
How it unfolded
- Aug 7, 2024CVE publishedPublication date reported by the CVE source.
- Aug 7, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.0.0.3(4687)
- Affected versionversion=1.0.0.3\(4687\)
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Tenda i22 ApPortalPhoneAuth proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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